{"id":922,"date":"2018-08-12T15:40:21","date_gmt":"2018-08-12T15:40:21","guid":{"rendered":"http:\/\/globetrotter.tech\/blog\/?p=922"},"modified":"2020-12-12T15:14:34","modified_gmt":"2020-12-12T15:14:34","slug":"watercooling-computers-with-hailea-chiller-in-the-tropics","status":"publish","type":"post","link":"https:\/\/globetrotter.tech\/blog\/watercooling-computers-with-hailea-chiller-in-the-tropics\/","title":{"rendered":"Watercooling computers with Hailea Chiller in the tropics"},"content":{"rendered":"\n<p>Living in the tropics while Overclocking computers utilising\u00a0chilled water poses a significant amount of issues with Condensation. With temperatures outside reaching the mid 30 C and humidity levels of 76% means that the dew-point is raised very high to above 20 C in certain instances. Considering also that the variation in humidity changes dramatically even within minutes if the Air-conditioner is turned off or for example a window is opened I was looking for a practical solution to keep track of the situation.<\/p>\n\n\n\n<p>I have a Hailea 500A Chiller which I can set to cool the water in the loop to about 3C for Overclocking and getting scores to post on HWBOT.org.<\/p>\n\n\n\n<p>A while back I bought an arduino uno\u00a0with a Temperature and humidity sensor. In addition I bought the Alphacool\u00a0 10Kohm water temperature sensor.<\/p>\n\n\n\n<p>I have now been playing around the last 2 days with the kit and managed to find enough details&nbsp; to get the code (sketch) together to do what I wanted it to do. I am not a programmer so hacking it all the way \ud83d\ude42 and it works.<\/p>\n\n\n\n<p>I started of with the DHT21 temperature \/humidity sensor and connected a 2 line LCD screen to the arduino .<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"960\" src=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0303-720x1080.jpg?resize=640%2C960\" alt=\"\" class=\"wp-image-924\" srcset=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0303.jpg?resize=720%2C1080&amp;ssl=1 720w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0303.jpg?resize=600%2C900&amp;ssl=1 600w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0303.jpg?resize=768%2C1152&amp;ssl=1 768w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0303.jpg?resize=40%2C60&amp;ssl=1 40w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0303.jpg?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>So with the AC in the room running at 20C full speed , and the drying function on, I got the temp down to around 21 C with a relative humidity at 44% gave me a good benchmark to test the formulas on for the Dew point. Using the simpler formulas shown on the web&nbsp;&nbsp;&nbsp;Dew-point= (Temperature -((100-humidity)\/5)) it shows me a dew -point of 9.78 Celsius. The system is not calibrated but looking up some online calculators I was within a degree in any case.<\/p>\n\n\n\n<p>Next was to get the Alphacool waterloop sensor up and running so I could get a good reading on what was actually coming out of the loop after the CPU. While the loop is supposedly homogeneous in terms of water temperature I want in the end to see what the impact of the CPU is when I am now running a 14 core I9-7940X. Thus in the end there will be two water sensors in loop the connected to the arduino.<\/p>\n\n\n\n<p>Since i need more lines in the LCD i swapped out&nbsp; the two line LCD to a 4 line instead.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0342.jpg?resize=640%2C427\" alt=\"\" class=\"wp-image-930\" srcset=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0342.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0342.jpg?resize=900%2C600&amp;ssl=1 900w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0342.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0342.jpg?resize=90%2C60&amp;ssl=1 90w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>Above is the simulation of the waterloop included. the difference between the Airtemp of 26.2 C and the waterloop temp with the sensor just placed on the table is clearly a calibration error between both of them. Effectively they should show the same.<\/p>\n\n\n\n<p>As you can see in this picture also I have turned off the AC and the temp as well as humidity has gone way up leaving me with a dew point of 21.5C which would generate a large amount of water on the pipes and waterblock on the CPU. Simply making it too dangerous for the hardware to keep it running.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0337.jpg?resize=640%2C427\" alt=\"\" class=\"wp-image-929\" srcset=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0337.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0337.jpg?resize=900%2C600&amp;ssl=1 900w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0337.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0337.jpg?resize=90%2C60&amp;ssl=1 90w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p><a href=\"http:\/\/globetrotter.tech\/blog\/wp-content\/uploads\/2020\/05\/temphumworking.zip\">temphumworking<\/a><\/p>\n\n\n\n<p>This picture shows me using the real waterloop sensor already connected to the computer and the Hailea-500A. The water after the CPU is 5.1C and as can be seen the AC is turned off while the humidity has not reached the 76% it will become if I dont run the AC here. We are in the rainy typhoon season and it has now rained for 48 hours in a row heavily. Again you can see the dewpoint is dramatically shifted.&nbsp; I also put in a warning text when running the waterloop below the dew point.<\/p>\n\n\n\n<p>With no&nbsp; AC the temp will rise to around 28 C humidity to around 76 % and the Dew-point to 22 C.<\/p>\n\n\n\n<p>With AC the temp will drop to around 21 C humidity to around 44% which gives a much better Dew-point at 9.8 C.<\/p>\n\n\n\n<p>Overall this means that I can safely only run the waterloop&nbsp; with Hailea set&nbsp; to about 10C to avoid condensation. Meanwhile if I run it below the dewpoint it also means I have far less condensation in actual water produced compared to not having an AC on.<\/p>\n\n\n\n<p>To see the effect just of the 76% humidity situation i have attached a few pictures.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0322-2.jpg?resize=640%2C427\" alt=\"\" class=\"wp-image-926\" srcset=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0322-2.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0322-2.jpg?resize=900%2C600&amp;ssl=1 900w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0322-2.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0322-2.jpg?resize=90%2C60&amp;ssl=1 90w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>looks pretty but is not very safe for the hardware. Meanwhile it is distilled water \ud83d\ude09<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0325.jpg?resize=640%2C427\" alt=\"\" class=\"wp-image-927\" srcset=\"https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0325.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0325.jpg?resize=900%2C601&amp;ssl=1 900w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0325.jpg?resize=768%2C513&amp;ssl=1 768w, https:\/\/i0.wp.com\/globetrotter.tech\/blog\/wp-content\/uploads\/2018\/08\/arduino-0325.jpg?resize=90%2C60&amp;ssl=1 90w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>I have not used eraser or any other material under the cooling block to block out condensation thus am just showing the above as the effect in a 27C with 76% humidity setting.<\/p>\n\n\n\n<p>Ofcourse doing Overclocking and Chilling computers in the tropics means a lot of extra power is wasted on AC units cooling down a room .<\/p>\n\n\n\n<p>Now to improve the situation further I would need to move the computer to the smallest room with AC. Then I&nbsp;should be able to drop the Ambient temp to around 18C. The next step would be to buy a de-humidifier and place in the same room to get the relative humidity down to around 38%. If I manage that then the Chiller can comfortably run at its lowest 3C setting without me having any condensation on the pipes. Just need my woollies to keep warm \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Living in the tropics while Overclocking computers utilising\u00a0chilled water poses a significant amount of issues with Condensation. With temperatures outside reaching the mid 30 C and humidity levels of 76% means that the dew-point is raised very high to above 20 C in certain instances. Considering also that the variation in humidity changes dramatically even [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3],"tags":[35,33,27,24,30,29,25,28,31,32,34,26],"class_list":["post-922","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computer","tag-10k-sensor","tag-alphacool","tag-arduino","tag-chiller","tag-condensation","tag-dew","tag-hailea","tag-humidity","tag-hwbot","tag-overclocking","tag-sensor","tag-watercooling"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Watercooling computers with Hailea Chiller in the tropics - Globetrotter Tech<\/title>\n<meta name=\"description\" content=\"Cooling computers with chiller below the dew point poses challenges with condensation. 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